From 37bc276f5cecb18448172acc4a24d0d8fccf911b Mon Sep 17 00:00:00 2001
From: Peter Denison <openwrt@marshadder.org>
Date: Sun, 26 Apr 2009 09:49:20 +0000
Subject: [PATCH] Remove ancient cruft in ddns-scripts, and use the busybox
 built-in wget

SVN-Revision: 15423
---
 .../files/usr/lib/ddns/dynamic_dns_updater.sh |  17 +--
 .../files/usr/lib/ddns/shell_get.sh           | 126 ------------------
 2 files changed, 1 insertion(+), 142 deletions(-)
 delete mode 100755 net/ddns-scripts/files/usr/lib/ddns/shell_get.sh

diff --git a/net/ddns-scripts/files/usr/lib/ddns/dynamic_dns_updater.sh b/net/ddns-scripts/files/usr/lib/ddns/dynamic_dns_updater.sh
index fde13b7dbc..62d4886971 100755
--- a/net/ddns-scripts/files/usr/lib/ddns/dynamic_dns_updater.sh
+++ b/net/ddns-scripts/files/usr/lib/ddns/dynamic_dns_updater.sh
@@ -9,11 +9,6 @@
 #
 
 . /usr/lib/ddns/dynamic_dns_functions.sh
-. /usr/lib/ddns/shell_get.sh
-
-
-
-
 
 
 service_id=$1
@@ -90,17 +85,7 @@ fi
 
 #some constants
 
-retrieve_prog="/usr/bin/wget --no-check-certificate -O - ";
-if [ -h "/usr/bin/wget" ]
-then
-	busybox_wget=$(ls -l /usr/bin/wget | awk ' { if ($0~/busybox/) { print "BUSYBOX"}} ')
-	if [ -n "$busybox_wget" ]; then
-		retrieve_prog="shell_get"
-	fi
-fi
-
-verbose_echo "retrieve_prog=\"$retrieve_prog\""
-
+retrieve_prog="/usr/bin/wget -O - ";
 service_file="/usr/lib/ddns/services"
 
 ip_regex="[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}"
diff --git a/net/ddns-scripts/files/usr/lib/ddns/shell_get.sh b/net/ddns-scripts/files/usr/lib/ddns/shell_get.sh
deleted file mode 100755
index ec9fc0cde5..0000000000
--- a/net/ddns-scripts/files/usr/lib/ddns/shell_get.sh
+++ /dev/null
@@ -1,126 +0,0 @@
-#######################################################################
-#/usr/lib/ddns/shell_get.sh
-#
-# Written by Eric Bishop, January 2008
-# Distributed under the terms of the GNU General Public License (GPL) version 2.0
-#
-# This implements a wget-like program ("shell_get 1.0") that can handle 
-# basic http username/password authentication.
-# It is implemented using the netcat (nc) utility. 
-# This is necessary because the default busybox wget
-# does not include username/password functionality (it really sucks)
-##########################################################################
-
-to_ascii()
-{
-	dec=$1
-	hex=""
-	if [ $dec -lt 26 ]; then
-		hex=$(($dec + 0x41))
-	elif [ $dec -ge 26 ] && [ $dec -lt 52 ]; then
-		hex=$(( ($dec-26) + 0x61))
-	elif [ $dec -ge 52 ] && [ $dec -lt 62 ]; then
-		hex=$(( ($dec-52) + 0x30))
-	elif [ $dec -eq 62 ]; then
-		hex=43
-	else
-		hex=47
-	fi
-	printf "%x" $hex
-}
-
-encode_base64()
-{
-	original_str=$1
-	
-	hex_str=$( echo -n "$original_str" | hexdump -v -e '1/1 "%02x"' | awk ' { $0~gsub(/00$/, "") };{ i=1; while(i <= length($0) ){ block= substr($0, i, 3); printf("%s ", block); i=i+3;  }}' | awk ' {$0~gsub(/ $/, "")}; { print $0 }' )
-
-	length=$(echo $hex_str | awk  '{$0~gsub(/ /, "")}; { print length($0) }')
-	remainder=$(($length % 3 ))
-	if [ $remainder -eq 1 ]; then
-		hex_str=$hex_str'00'
-	elif [ $remainder -eq 2 ]; then
-		hex_str=$hex_str'0'
-	fi
-
-
-
-
-	base_64_str=""
-	for hex_block in $hex_str
-	do
-		char1=$(to_ascii $((0x$hex_block / 64)))
-		char2=$(to_ascii $((0x$hex_block % 64)))
-		base_64_str=$(printf "$base_64_str\x$char1\x$char2")
-	done
-	
-	
-	if [ $remainder -eq 1 ]; then
-		base_64_str=$(echo "$base_64_str" | awk '{ $0~gsub(/A$/, "=");} { print $0 }' )
-	elif [ $remainder -eq 2 ]; then
-		base_64_str=$(echo "$base_64_str==")
-	fi
-	
-
-	echo $base_64_str
-}
-
-shell_get()
-{
-	full_url=$1
-
-	protocol_str=$(echo $full_url | awk ' BEGIN {FS="://"} { if($0~/:\/\//)print $1 }')
-	if [ "$protocol_str" != "http" ] && [ -n "$protocol_str" ] ; then
-		echo "protocol = $protocol_str"
-		echo "Error, unsupported Protocol"
-		echo "Only http connections are supported at this time"
-		return 1;
-	fi
-
-
-	if [ -n "$protocol_str" ] ; then
-		full_url=$(echo $full_url | awk ' {$0~gsub(/http:\/\//, "")}; {print $0}')
-	fi
-
-
-
-	user_pass=$(echo $full_url | awk ' BEGIN {FS="@"}; { if( $0~/@/ && $1~/^[^\?\/]+:[^\?\/]+$/ ) print $1 }')
-	host_and_args=""
-	if [ -n "$user_pass" ]; then
-		host_and_args=$(echo $full_url | awk ' $0~gsub(/^[^@]+@/, "") {print $0}')
-	else
-		host_and_args="$full_url"
-	fi
-
-	host_name=$(echo $host_and_args | awk ' BEGIN {FS="[:?/]"}; {print $1};')
-	port_num=$(echo $host_and_args | awk ' BEGIN {FS="[?/]"}; { if($1~/:/){$1~gsub(/.*:/, ""); print $1;}else {print "80"}};')
-
-	path=$(echo $host_and_args | awk ' { $0~gsub(/^[^\?\/]+/, "")}; {print $0};')
-	path_start_test=$(echo "$path" | grep "^/") 
-	if [ -z "$path_start_test" ]; then
-		path="/$path"
-	fi
-
-
-	#echo "full_url=\"$full_url\""
-	#echo "user_pass=\"$user_pass\""
-	#echo "host_name=\"$host_name\""
-	#echo "port_num=\"$port_num\""
-	#echo "path=\"$path\""
-
-
-	retrieved_data=""
-	if [ -n "$user_pass" ]; then
-		auth_str=$(encode_base64 "$user_pass" )
-		#echo -e "GET $path HTTP/1.0\nHost: $host_name\nAuthorization: Basic $auth_str\nUser-Agent: shell_get 1.0\n\n"
-		retrieved_data=$(echo -e "GET $path HTTP/1.0\nHost: $host_name\nAuthorization: Basic $auth_str\nUser-Agent: shell_get 1.0\n\n" | nc "$host_name" $port_num | cat)
-
-	else
-		#echo -e "GET $path HTTP/1.0\nHost: $host_name\nUser-Agent: shell_get 1.0\n\n"
-		retrieved_data=$(echo -e "GET $path HTTP/1.0\nHost: $host_name\nUser-Agent: shell_get 1.0\n\n" | nc "$host_name" $port_num | cat)
-	fi
-
-	echo -e "$retrieved_data"
-
-}
-
-- 
2.30.2